﻿///////////////////////////////////////////////////////////////////////////////
//
//  This source is part of the  "Managed Task Framework.NET Runtime"  (MTF.NET Runtime).
//
//
//  Copyright (c) 2011, Multicore Consulting Limited (UK)
//  All rights reserved.
//  http://www.multicoreconsulting.co.uk
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions
//  are met:
//
//  -  Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
//  -  Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in
//     the documentation and/or other materials provided with the
//     distribution.
//  -  Neither the name of Multicore Consulting Limited nor the names of
//     its contributors may be used to endorse or promote products
//     derived from this software without specific prior written
//     permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
//  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
//  COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
//  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
//  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
//  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//  POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;

namespace MTFOrg.MTF.MTFRuntime
{
    public class ConnectionDescriptorGroup : IOrderedGroup<ConnectionDescriptor>
    {
        // Internal
        protected List<ConnectionDescriptor> m_ConnectionDescriptors;

        /// <summary>
        /// Default constructor.
        /// </summary>
        public ConnectionDescriptorGroup()
        {
            m_ConnectionDescriptors = new List<ConnectionDescriptor>();
        }

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="connectionDescriptors">One or more connection descriptors to add</param>
        public ConnectionDescriptorGroup(params object[] connectionDescriptors)
        {
            m_ConnectionDescriptors = new List<ConnectionDescriptor>();
            foreach (object c in connectionDescriptors)
            {
                if (c is ConnectionDescriptorGroup)
                {
                    ConnectionDescriptorGroup connectionDescriptorGroup = c as ConnectionDescriptorGroup;
                    foreach (ConnectionDescriptor connectionDescriptor in connectionDescriptorGroup)
                    {
                        m_ConnectionDescriptors.Add(connectionDescriptor);
                    }
                }
                else if (c is ConnectionDescriptor)
                {
                    ConnectionDescriptor connectionDescriptor = c as ConnectionDescriptor;
                    m_ConnectionDescriptors.Add(connectionDescriptor);
                }
                else
                    throw new Exception("Attempt to add an incompatible item to a connection descriptor group.");
            }
        }

        /// <summary>
        /// Adds a connection descriptor to the group.
        /// </summary>
        /// <param name="connectionDescriptor">Connection descriptor to add</param>
        public void Add(ConnectionDescriptor connectionDescriptor)
        {
            m_ConnectionDescriptors.Add(connectionDescriptor);
        }

        /// <summary>
        /// Indexer.
        /// </summary>
        /// <param name="index">Index of connection descriptor</param>
        /// <returns>Connection descriptor at specified index</returns>
        public ConnectionDescriptor this[int index]
        {
            get
            {
                return m_ConnectionDescriptors[index];
            }
        }

        /// <summary>
        /// Returns an enumerator for this collection.
        /// </summary>
        /// <returns></returns>
        public IEnumerator GetEnumerator()
        {
            return m_ConnectionDescriptors.GetEnumerator();
        }

        /// <summary>
        /// Number of ConnectionDescriptors in this group.
        /// </summary>
        public int Count
        {
            get
            {
                return m_ConnectionDescriptors.Count;
            }
        }
    }
}
